Sound insulation cotton wall sound absorbing cotton indoor roof sound insulation felt ceiling silencer board glass wool roll fire insulation material

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Color classification:

Grade A1 Thickness 5cm without aluminum foil (length 20 m * width 1.2 m) A roll of 24 m2
Grade A1 Thickness 7.5cm without aluminum foil (length 20 m * width 1.2 m) A roll of 24 m2
Grade A1 Thickness 10cm without aluminum foil (length 20 m * width 1.2 m) A roll of 24 m2
Grade A1 Thick 5cm with aluminum foil (length 20 m * width 1.2 m) A roll of 24 m2
Grade A1 Thickness 7.5cm with aluminum foil (length 20 m * width 1.2 m) A roll of 24 m2
Grade A1 Thickness 10cm with aluminum foil (length 20 m * width 1.2 m) A roll of 24 m2
Grade A1 Thick 5cm without aluminum foil (length 20 m * width 1.2 m) Thickened and heavy
Class A1 Thick 5cm with aluminum foil (length 20 m * width 1.2 m) thickened and heavy
Grade A1 Thickness 10cm without aluminum foil (length 10m * width 1.2m) Thickened and heavy
Class A1 Thick 10cm with aluminum foil (length 10 m * width 1.2 m) thickened and heavy
Class A1 Thick 10cm with aluminum foil (length 12m * width 1.2m) thickened and heavy
Grade A1 Thick 5cm double-sided aluminum foil (length 20 m * width 1.2 m) a roll of 24 m2
Grade A1 Thickness 7.5cm double-sided aluminum foil (length 20 m * width 1.2 m) A roll of 24 m2
Grade A1 Thickness 10cm double-sided aluminum foil (length 20 m * width 1.2 m) A roll of 24 m2
Grade A1 plate Thickness 5cm without foil (length 1.2 m * width 0.6 m) 10 pieces (thickened and heavy)

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Color classification:: Grade A1 Thickness 5cm foil-free (length 20 m * width 1.2 m) One roll 24 m2 A1 Grade Thickness 7.5cm aluminum-free foil (length 20 m * width 1.2 m) One roll 24 m2 A1 Grade Thickness 10 cm without aluminum foil (length 20 m * width 1.2 m) A roll 24 m2 Grade A1 Thick 5 cm with aluminum foil (length 20 m * width 1.2 m) A roll 24 m2 Grade A1 Thickness 7.5 cm with aluminum foil (length 20 m * width 1.2 m) A roll 24 m2 Grade A1 Thickness 10 cm with aluminum foil (length 20 m * Width 1.2 m) One roll 24 m2 A1 Grade 5cm thick aluminum-free foil (length 20m * width 1.2 m) Thickened and heavy duty A1 Grade 5cm with aluminum foil (length 20 m * width 1.2 m) Thickened and heavy duty A1 Grade 1 Thickness 10cm aluminum-free foil (length 10 m * width 1.2 m) Thickened and heavy duty A1 Grade 1 Thickness with aluminum foil (length 10 m * width 1.2 m) Thickened and heavy duty A1 Grade 1 Thick 5 cm double-sided aluminum foil (length 20 m * Width 1.2 m) One roll 24 m2 Class A1 Thickness 7.5cm double-sided aluminum foil (length 20m * width 1.2 m) One roll 24 m2 Grade A1 Thickness 10cm double-sided aluminum foil (length 20 m * width 1.2 m) One roll 24 m2 Grade A1 Plate Thickness 5cm foilless (length 1.2 m * width 0.6 m) 10 pieces (thickened and heavy)